Physical and Chemical Changes

Front

What is a physical change?

Back

A change in size, shape, or state of matter that does not create something new.

Front

What happens to the state of matter when ice melts?

Back

Ice changes from a solid to a liquid, which is a physical change.

Front

What is a chemical change?

Back

A change that results in the formation of new substances.

Front

What is another name for a chemical change?

Back

Chemical reaction.

Front

True or False: Melting is a chemical change.

Back

False, melting is a physical change.

Front

What is an example of a physical change?

Back

Breaking a glass or melting ice.

Front

What is an example of a chemical change?

Back

Burning wood or rusting iron.

Front

What happens to thermal energy during melting?

Back

Thermal energy is added to the solid to change it into a liquid.

Front

What is condensation?

Back

The process of a gas turning into a liquid.

Front

What is evaporation?

Back

The process of a liquid turning into a gas.